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Finding the Third Proportional to 31,226,481 and 67,665,795.75

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Solution

The third proportional to 31,226,481 and 67,665,795.75 is: 146,627,470.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,226,481 : 67,665,795.75 = 67,665,795.75 : x
  2. Step 2: Convert to fraction form
    31,226,481/67,665,795.75 = 67,665,795.75/x
  3. Step 3: Cross multiply
    31,226,481x = 67,665,795.75 × 67,665,795.75
  4. Step 4: Simplify right side
    31,226,481x = 4,578,659,914,480,718
  5. Step 5: Solve for x
    x = 4,578,659,914,480,718/31,226,481
  6. Step 6: Final answer
    x = 146,627,470.27

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.